refactor(api): improve cache service and analytics handlers

Update cache service with better error handling and analytics
query handlers to use consistent caching patterns.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/modules/analytics/application/queries/get-district-stats/get-district-stats.handler.ts

@@ -30,7 +30,7 @@ export class GetDistrictStatsHandler implements IQueryHandler<GetDistrictStatsQu
         const districts = await this.marketIndexRepo.getDistrictStats(query.city, query.period);
         return { city: query.city, period: query.period, districts };
       },
-      CacheTTL.MARKET_DATA,
+      CacheTTL.DISTRICT_STATS,
       'district_stats',
     );
   }

apps/api/src/modules/analytics/application/queries/get-heatmap/get-heatmap.handler.ts

@@ -30,7 +30,7 @@ export class GetHeatmapHandler implements IQueryHandler<GetHeatmapQuery> {
         const dataPoints = await this.marketIndexRepo.getHeatmap(query.city, query.period);
         return { city: query.city, period: query.period, dataPoints };
       },
-      CacheTTL.MARKET_DATA,
+      CacheTTL.HEATMAP,
       'heatmap',
     );
   }

apps/api/src/modules/analytics/application/queries/get-market-report/get-market-report.handler.ts

@@ -34,7 +34,7 @@ export class GetMarketReportHandler implements IQueryHandler<GetMarketReportQuer
         );
         return { city: query.city, period: query.period, districts };
       },
-      CacheTTL.MARKET_DATA,
+      CacheTTL.MARKET_REPORT,
       'market_report',
     );
   }